The FAN4010 is a high-side current sense amplifier designed for
battery-powered systems. Using the FAN4010 for high-side power-line monitoring
does not interfere with the battery charger’s ground path. The FAN4010 is
designed for portable PC’s, cellular phones, and other portable systems where
battery/DC power-line monitoring is critical.
To provide a high level of flexibility, the FAN4010 functions with an
external sense resistor to set the range of load current to be monitored. It has
a current output that can be converted to a ground-referred voltage with a
single resistor, accommodating a wide range of battery voltages and currents.
The FAN4010 features allow it to be used for gas gauging as well as
uni-directional or bi-directional current monitoring.
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